/* ==========================================================
   openbuddy.fun — Horizontal Scroll Candy Theme
   ========================================================== */

/* ---------- Variables ---------- */
:root {
  --primary: #3cc7b4;
  --primary-light: rgba(60, 199, 180, 0.15);
  --primary-glow: rgba(60, 199, 180, 0.3);
  --secondary: #fcd757;
  --secondary-light: rgba(252, 215, 87, 0.15);
  --pink: #f5a0b8;
  --pink-light: rgba(245, 160, 184, 0.15);
  --purple: #b39ddb;
  --purple-light: rgba(179, 157, 219, 0.15);
  --bg: #fffdf7;
  --bg-warm: #fff8e7;
  --text: #2d3436;
  --text-muted: #636e72;
  --font-display: "Fredoka", sans-serif;
  --font-body: "Nunito", sans-serif;
  --radius: 20px;
  --radius-sm: 12px;
}

/* ---------- Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

/* ---------- Fixed Navigation ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  padding: 1.25rem 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  pointer-events: none;
}

.nav > * {
  pointer-events: auto;
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
}

.nav__logo span {
  color: var(--primary);
}

.nav__github {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1.1rem;
  border-radius: 999px;
  background: #fff;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text);
  transition: transform 0.2s, box-shadow 0.2s;
}

.nav__github:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.nav__github svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* ---------- Progress Bar ---------- */
.progress {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100vw;
  height: 4px;
  background: rgba(0, 0, 0, 0.05);
  z-index: 100;
}

.progress__fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--primary), var(--secondary), var(--pink), var(--purple));
  border-radius: 0 2px 2px 0;
  will-change: width;
}

/* ---------- Horizontal Scroll ---------- */
.h-wrapper {
  overflow: hidden;
  width: 100%;
}

.h-track {
  display: flex;
  width: max-content;
  will-change: transform;
}

/* ---------- Panel Base ---------- */
.panel {
  width: 100vw;
  height: 100vh;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 5rem 6rem;
  overflow: hidden;
}

.panel__inner {
  width: 100%;
  max-width: 1200px;
  position: relative;
  z-index: 1;
}

.panel__inner--split {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4rem;
}

.panel__inner--center {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.panel__label {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--primary);
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}

.panel__heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
  max-width: 700px;
}

.panel__heading--large {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  max-width: 800px;
}

.panel__heading .word {
  display: inline-block;
}

.panel__sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-muted);
  max-width: 550px;
  line-height: 1.6;
  margin-bottom: 2.5rem;
}

.panel__num {
  position: absolute;
  bottom: 2rem;
  left: 3rem;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  opacity: 0.4;
}

/* ---------- Decorations ---------- */
.deco {
  position: absolute;
  pointer-events: none;
  border-radius: 50%;
  width: var(--size);
  height: var(--size);
  background: var(--color);
  opacity: 0.7;
}

/* ==========================================================
   Panel 1 — Hero
   ========================================================== */
.panel--hero {
  background: linear-gradient(160deg, var(--primary-light) 0%, var(--bg) 40%, var(--secondary-light) 100%);
}

.hero__text {
  flex: 1;
  max-width: 600px;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 0.75rem;
}

.hero__title .char {
  display: inline-block;
}

.hero__dot {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__tagline {
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.hero__tagline .word {
  display: inline-block;
}

.hero__desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 400px;
  line-height: 1.7;
}

.hero__visual {
  flex: 0 0 auto;
  position: relative;
}

.hero__device img {
  width: 320px;
  filter: drop-shadow(0 20px 50px var(--primary-glow));
}

.hero__glow {
  position: absolute;
  width: 400px;
  height: 400px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, var(--primary-light) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

.hero__scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  right: 3rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  opacity: 0.6;
}

.hero__scroll-hint svg {
  animation: hint-bounce 1.5s ease infinite;
}

@keyframes hint-bounce {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(6px); }
}

/* ==========================================================
   Panel 2 — Problem
   ========================================================== */
.panel--problem {
  background: var(--bg-warm);
}

.problem__items {
  display: flex;
  gap: 1.5rem;
  margin-top: 1rem;
}

.problem__item {
  background: #fff;
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 500;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  max-width: 320px;
  flex: 1;
}

.problem__photo {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  line-height: 0;
  width: 100%;
}

.problem__photo img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  display: block;
}

.problem__photo--1 { transform: rotate(-1.5deg); }
.problem__photo--2 { transform: rotate(1deg); }
.problem__photo--3 { transform: rotate(-0.8deg); }

.problem__label {
  position: relative;
  width: 100%;
}

.problem__strike {
  position: absolute;
  top: 50%;
  left: 10%;
  width: 0;
  height: 3px;
  background: #e74c3c;
  border-radius: 2px;
}

/* ==========================================================
   Panel 3 — Solution
   ========================================================== */
.panel--solution {
  background: linear-gradient(180deg, var(--primary-light) 0%, var(--bg) 100%);
}

.solution__cards {
  display: flex;
  gap: 1.5rem;
  margin-top: 0.5rem;
}

.solution__card {
  background: #fff;
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  text-align: center;
  flex: 1;
  max-width: 300px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.solution__card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.solution__icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.solution__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.solution__desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================
   Panel 4 — Showcase
   ========================================================== */
.panel--showcase {
  background: linear-gradient(135deg, var(--pink-light) 0%, var(--bg) 50%, var(--purple-light) 100%);
}

.showcase__gallery {
  display: flex;
  gap: 2.5rem;
  align-items: flex-end;
  margin-top: 0.5rem;
}

.showcase__item {
  text-align: center;
}

.showcase__device {
  width: 180px;
  filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.12));
  transition: transform 0.3s ease;
  cursor: pointer;
}

.showcase__device:hover {
  transform: scale(1.06) rotate(2deg);
}

.showcase__color {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  margin-top: 1rem;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
}

.showcase__color::before {
  content: "";
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--dot);
  box-shadow: 0 0 8px var(--dot);
}

.panel--showcase .panel__heading .word {
  transform-style: preserve-3d;
}

/* ==========================================================
   Panel 5 — Screenshots
   ========================================================== */
.panel--screens {
  background: linear-gradient(160deg, var(--bg) 0%, var(--purple-light) 50%, var(--secondary-light) 100%);
}

.screens__grid {
  display: flex;
  gap: 2rem;
  margin-top: 0.5rem;
}

.screens__item {
  flex: 1;
  max-width: 340px;
}

.screens__frame {
  background: #fff;
  border-radius: var(--radius);
  padding: 0.5rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  overflow: hidden;
}

.screens__placeholder {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--primary-light), var(--purple-light));
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
}

.screens__placeholder span {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text);
}

.screens__placeholder small {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.panel--screens .panel__label {
  position: relative;
}

.panel--screens .panel__label::after {
  content: "\25CC";
  display: inline-block;
  color: var(--primary);
  animation: cursor-blink 0.8s steps(2) infinite;
  margin-left: 2px;
  font-weight: 400;
}

@keyframes cursor-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ==========================================================
   Panel 6 — Video
   ========================================================== */
.panel--video {
  background: linear-gradient(180deg, var(--bg-warm) 0%, var(--bg) 100%);
}

.video__wrapper {
  width: 100%;
  max-width: 700px;
  aspect-ratio: 16 / 9;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  margin-top: 0.5rem;
}

.video__play {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--primary);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 30px var(--primary-glow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.video__play:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 40px var(--primary-glow);
}

.video__play-icon {
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 14px 0 14px 24px;
  border-color: transparent transparent transparent #fff;
  margin-left: 4px;
}

/* ==========================================================
   Panel 7 — CTA
   ========================================================== */
.panel--cta {
  background: linear-gradient(135deg, var(--secondary), var(--primary));
}

.panel--cta .panel__heading {
  color: #fff;
  max-width: 700px;
  margin-bottom: 2.5rem;
}

.panel--cta .panel__heading .char {
  display: inline-block;
}

.cta__links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 3rem;
}

.cta__link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.1rem 2.5rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: #fff;
  font-weight: 600;
  font-size: 1.15rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
  transition: background 0.3s ease, transform 0.2s ease;
}

.cta__link:hover {
  background: rgba(255, 255, 255, 0.35);
  transform: translateY(-3px);
}

.cta__link svg {
  width: 26px;
  height: 26px;
  fill: currentColor;
}

.footer {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.85rem;
  line-height: 1.8;
}

.footer a {
  color: #fff;
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.3);
  transition: text-decoration-color 0.2s;
}

.footer a:hover {
  text-decoration-color: #fff;
}

/* ==========================================================
   Responsive — Mobile (horizontal scroll preserved)
   Strategy: each panel must fit STRICTLY inside 100svh.
   Horizontal scroll pins the wrapper, so vertical overflow
   inside a panel is permanently invisible. Re-layout cards
   from columns into compact horizontal rows, shrink type,
   collapse paddings, and lock parallax-causing transforms.
   ========================================================== */
@media (max-width: 900px) {
  /* --- Panel base: strict viewport fit --- */
  .panel {
    height: 100vh;
    height: 100svh;
    min-height: 100svh;
    padding: 3.5rem 1.1rem 1.6rem;
  }

  .panel__inner {
    width: 100%;
    max-width: 100%;
    max-height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .panel__inner--split {
    flex-direction: column;
    text-align: center;
    gap: 1.25rem;
    align-items: center;
  }

  .panel__inner--center {
    align-items: center;
  }

  .panel__label {
    font-size: 0.78rem;
    margin-bottom: 0.5rem;
  }

  .panel__heading {
    font-size: clamp(1.4rem, 5.4vw, 1.95rem);
    line-height: 1.2;
    margin-bottom: 0.55rem;
  }

  .panel__heading--large {
    font-size: clamp(1.55rem, 6vw, 2.1rem);
  }

  .panel__sub {
    font-size: 0.86rem;
    line-height: 1.45;
    margin-bottom: 1rem;
    max-width: 100%;
  }

  .panel__num {
    font-size: 0.65rem;
    bottom: 0.55rem;
    left: 1.1rem;
  }

  /* --- Nav --- */
  .nav {
    padding: 0.7rem 1.1rem;
  }

  .nav__logo {
    font-size: 0.95rem;
  }

  .nav__github {
    padding: 0.35rem 0.75rem;
    font-size: 0.75rem;
    gap: 0.3rem;
  }

  .nav__github svg {
    width: 14px;
    height: 14px;
  }

  /* --- Hero --- */
  .hero__text {
    max-width: 100%;
    text-align: center;
    flex: 0 1 auto;
  }

  .hero__visual {
    flex: 0 1 auto;
  }

  .hero__title {
    font-size: clamp(1.9rem, 8vw, 2.6rem);
    margin-bottom: 0.4rem;
  }

  .hero__tagline {
    font-size: clamp(0.95rem, 3.6vw, 1.2rem);
    margin-bottom: 0.6rem;
  }

  .hero__desc {
    max-width: 100%;
    font-size: 0.82rem;
    line-height: 1.5;
  }

  .hero__device img {
    width: 150px;
  }

  .hero__glow {
    width: 220px;
    height: 220px;
  }

  .hero__scroll-hint {
    right: 1.1rem;
    bottom: 1.1rem;
    font-size: 0.68rem;
    gap: 0.3rem;
  }

  .hero__scroll-hint svg {
    width: 16px;
    height: 16px;
  }

  /* --- Problem: row-card with thumb on left --- */
  .problem__items {
    flex-direction: column;
    gap: 0.55rem;
    margin-top: 0.4rem;
    width: 100%;
    align-items: stretch;
  }

  .problem__item {
    flex-direction: row;
    gap: 0.85rem;
    align-items: center;
    text-align: left;
    padding: 0.55rem 0.85rem;
    font-size: 0.95rem;
    max-width: 100%;
  }

  .problem__photo {
    width: 72px;
    flex: 0 0 72px;
  }

  .problem__photo img {
    height: 52px;
    width: 72px;
  }

  .problem__photo--1,
  .problem__photo--2,
  .problem__photo--3 {
    transform: none;
  }

  .problem__label {
    flex: 1;
    text-align: left;
  }

  .problem__strike {
    left: 0;
  }

  /* --- Solution: row-card with icon on left --- */
  .solution__cards {
    flex-direction: column;
    gap: 0.55rem;
    width: 100%;
    align-items: stretch;
  }

  .solution__card {
    max-width: 100%;
    width: 100%;
    padding: 0.75rem 1rem;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.9rem;
    text-align: left;
  }

  .solution__icon {
    font-size: 1.7rem;
    margin-bottom: 0;
    flex: 0 0 auto;
    line-height: 1;
  }

  .solution__title {
    font-size: 0.98rem;
    margin-bottom: 0.15rem;
  }

  .solution__desc {
    font-size: 0.78rem;
    line-height: 1.4;
  }

  /* --- Showcase: 2x2 grid, unified box for all 4 devices --- */
  .showcase__gallery {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem 1.1rem;
    align-items: center;
    justify-items: center;
    margin: 0.4rem auto 0;
    max-width: 320px;
  }

  .showcase__item {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .showcase__device {
    width: 100%;
    max-width: 112px;
    height: 132px;
    object-fit: contain;
  }

  .showcase__color {
    font-size: 0.72rem;
    margin-top: 0.35rem;
    gap: 0.3rem;
  }

  .showcase__color::before {
    width: 9px;
    height: 9px;
  }

  /* --- Screenshots: 3-across square placeholders --- */
  .screens__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.55rem;
    margin-top: 0.4rem;
  }

  .screens__item {
    width: 100%;
    max-width: 100%;
  }

  .screens__frame {
    padding: 0.3rem;
  }

  .screens__placeholder {
    aspect-ratio: 1 / 1;
    padding: 0.4rem 0.25rem;
    gap: 0.1rem;
    text-align: center;
  }

  .screens__placeholder span {
    font-size: 0.78rem;
  }

  .screens__placeholder small {
    font-size: 0.6rem;
    line-height: 1.2;
  }

  /* --- Video --- */
  .video__wrapper {
    max-width: 100%;
    margin-top: 0.4rem;
  }

  .video__play {
    width: 56px;
    height: 56px;
  }

  .video__play-icon {
    border-width: 9px 0 9px 16px;
    margin-left: 3px;
  }

  /* --- CTA: 2x2 grid --- */
  .panel--cta .panel__heading {
    margin-bottom: 1.4rem;
  }

  .cta__links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    width: 100%;
    max-width: 340px;
    margin-bottom: 1.25rem;
  }

  .cta__link {
    width: 100%;
    max-width: none;
    padding: 0.7rem 0.5rem;
    font-size: 0.85rem;
    gap: 0.4rem;
    justify-content: center;
  }

  .cta__link svg {
    width: 18px;
    height: 18px;
  }

  .footer {
    font-size: 0.7rem;
    line-height: 1.5;
    margin-top: 0.65rem;
  }

  /* --- Decorations (smaller, less opaque on mobile) --- */
  .deco {
    opacity: 0.35;
    transform: scale(0.45);
  }
}

/* Very small screens (≤ 400px wide) — tighten further */
@media (max-width: 400px) {
  .panel {
    padding: 3.25rem 0.9rem 1.4rem;
  }

  .panel__heading {
    font-size: clamp(1.25rem, 5.4vw, 1.65rem);
  }

  .hero__title {
    font-size: 1.85rem;
  }

  .hero__device img {
    width: 130px;
  }

  .hero__glow {
    width: 190px;
    height: 190px;
  }

  .showcase__gallery {
    max-width: 260px;
    gap: 0.6rem 0.9rem;
  }

  .showcase__device {
    max-width: 96px;
    height: 116px;
  }

  .problem__photo {
    width: 58px;
    flex: 0 0 58px;
  }

  .problem__photo img {
    height: 42px;
    width: 58px;
  }

  .problem__item {
    padding: 0.5rem 0.7rem;
    font-size: 0.88rem;
  }

  .solution__card {
    padding: 0.65rem 0.85rem;
  }

  .solution__icon {
    font-size: 1.55rem;
  }

  .screens__placeholder small {
    display: none;
  }

  .cta__link {
    font-size: 0.8rem;
    padding: 0.6rem 0.4rem;
  }

  .cta__link svg {
    width: 16px;
    height: 16px;
  }
}

/* Short / landscape phones — re-flow rows side-by-side to use width */
@media (max-width: 900px) and (max-height: 560px) {
  .panel {
    padding: 2.75rem 1.4rem 1.15rem;
  }

  .panel__label {
    font-size: 0.7rem;
    margin-bottom: 0.35rem;
  }

  .panel__heading {
    font-size: clamp(1.15rem, 4vw, 1.5rem);
    margin-bottom: 0.35rem;
  }

  .panel__sub {
    font-size: 0.76rem;
    margin-bottom: 0.55rem;
  }

  .nav {
    padding: 0.5rem 1rem;
  }

  .nav__logo {
    font-size: 0.85rem;
  }

  .nav__github {
    padding: 0.3rem 0.6rem;
    font-size: 0.7rem;
  }

  /* hero side-by-side again */
  .panel--hero .panel__inner--split {
    flex-direction: row;
    gap: 1.25rem;
    align-items: center;
  }

  .hero__text {
    text-align: left;
    flex: 1 1 0;
  }

  .hero__title {
    font-size: clamp(1.55rem, 4.5vw, 2rem);
    margin-bottom: 0.3rem;
  }

  .hero__tagline {
    font-size: 0.9rem;
    margin-bottom: 0.45rem;
  }

  .hero__desc {
    font-size: 0.74rem;
    line-height: 1.4;
  }

  .hero__device img {
    width: 105px;
  }

  .hero__glow {
    width: 170px;
    height: 170px;
  }

  /* problem & solution: 3-across compact tiles */
  .problem__items {
    flex-direction: row;
    gap: 0.5rem;
    align-items: stretch;
  }

  .problem__item {
    flex: 1;
    flex-direction: column;
    gap: 0.3rem;
    padding: 0.45rem 0.5rem;
    font-size: 0.78rem;
    text-align: center;
  }

  .problem__photo {
    width: 100%;
    flex: 0 0 auto;
    max-width: none;
  }

  .problem__photo img {
    height: 42px;
    width: 100%;
  }

  .problem__label {
    text-align: center;
  }

  .problem__strike {
    left: 10%;
  }

  .solution__cards {
    flex-direction: row;
    gap: 0.5rem;
    align-items: stretch;
  }

  .solution__card {
    flex: 1;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.25rem;
    padding: 0.6rem 0.55rem;
  }

  .solution__icon {
    font-size: 1.4rem;
  }

  .solution__title {
    font-size: 0.82rem;
  }

  .solution__desc {
    font-size: 0.66rem;
    line-height: 1.3;
  }

  /* showcase: 4-across */
  .showcase__gallery {
    grid-template-columns: repeat(4, 1fr);
    gap: 0.55rem;
    max-width: 500px;
  }

  .showcase__device {
    max-width: 84px;
    height: 102px;
  }

  .showcase__color {
    font-size: 0.65rem;
    margin-top: 0.2rem;
  }

  /* screens: stays 3-across, smaller text */
  .screens__placeholder span {
    font-size: 0.7rem;
  }

  .screens__placeholder small {
    font-size: 0.55rem;
  }

  /* video: cap to viewport height */
  .video__wrapper {
    max-width: min(72vw, 78vh);
  }

  .video__play {
    width: 48px;
    height: 48px;
  }

  .video__play-icon {
    border-width: 7px 0 7px 13px;
    margin-left: 2px;
  }

  /* cta: 4-across */
  .panel--cta .panel__heading {
    margin-bottom: 0.85rem;
  }

  .cta__links {
    grid-template-columns: repeat(4, 1fr);
    max-width: 560px;
    gap: 0.4rem;
    margin-bottom: 0.8rem;
  }

  .cta__link {
    padding: 0.55rem 0.35rem;
    font-size: 0.72rem;
    gap: 0.3rem;
  }

  .cta__link svg {
    width: 14px;
    height: 14px;
  }

  .footer {
    font-size: 0.62rem;
    line-height: 1.4;
  }
}